OpenTechnical

OT-2026-000033082

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033082) never changes.

Identity and time

Publication numberOT-2026-000033082 · never reused
Internal UUID01a0ae75-4844-7876-88a1-8da7520c6b6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033082
StatusPUBLIC

Content hashes

Canonical textc6fbbdf7b35826ff642ce622eeb623d90121fbd0f79f7a2deef0011cc50ebe9c
Markdownce94ef6eeff28b8a3ec054c61d46a0ba951215db8b6b0a93ae51aaf1ad0b6ee6
PDF
Publication page610551cf99d54d93f8b12349e38f97eff630f058e7d8e8ca111732e9498273af
Manifest12e19641be31dbc1fd84175b5deb39c7076f2fe1dc0ac94a380616d2437bc600

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureyPbhouFM4ncrItj6a9+12WRjfe5ti4EeZ2o7NSJbqN0orhVtTDz9/e2upDd8i4/A6peyjBsbSmVSiqwv9yYZBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:43.762404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033082
observed 610551cf99d54d93f8b12349e38f97ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.744725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033082/manifest.json
observed 12e19641be31dbc1fd84175b5deb39c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.726550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033082/publication.md
observed ce94ef6eeff28b8a3ec054c61d46a0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.708970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033082/publication.txt
observed c6fbbdf7b35826ff642ce622eeb623d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.